- Author: Nikhil Pal Singh
- Language: English
- Year: 2009
- Author: Jack O'Dell (editor), Nikhil Pal Singh (editor)
- Language: English
- Year: 2010
- Author: Nikhil Pal Singh
- Language: English
- Year: 2017
- Author: Nikhil Pal Singh
- Language: English
- Year: 2017
- Author: Nikhil Pal Singh
- Language: English
- Year: 2017
- Author: Charles E. Jones, Judson L. Jeffries, Nikhil Pal Singh, Melvin E. Lewis
- Language: English
- Year: 2005
- Author: Nikhil Pal Singh
- Language: English
- Year: 2005
- Author: Nikhil Pal Singh
- Language: English
- Year: 2005
- Author: Nikhil Pal Singh
- Language: English
- Year: 2005